Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

839 questions · 881 findings · 73 reviews

No studies found 246 · 27.9%GRADE not reported 156 · 17.7%Very low 219 · 24.9%Low 136 · 15.4%Moderate 90 · 10.2%High 34 · 3.9%

Metal-free implant-supported single crowns (zirconia veneered with feldspathic ceramic) vs Metal-ceramic implant-supported single crowns

Marginal bone level (first bone to implant contact, FBIC) · Adults (18 years or older) with one missing tooth in the aesthetic zone needing an implant-supported single crown

Metal-free implant-supported single crowns (zirconia veneered with… showed no clear difference in marginal bone level (first bone to implant contact, FBIC) compared with metal-ceramic implant-supported single crowns; GRADE not reported.

4 findings from 1 review
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Metal-free implant-supported single crowns (zirconia veneered with feldspathic ceramic) vs Metal-ceramic implant-supported single crowns

Patient satisfaction (measured by patient satisfaction or aesthetic scales) · Adults (18 years or older) with one missing tooth in the aesthetic zone needing an implant-supported single crown

It is very uncertain whether metal-free implant-supported single crowns (zirconia veneered with… changes aesthetic evaluation (patient satisfaction VAS) compared with metal-ceramic implant-supported single crowns (very low certainty).

2 findings from 1 review

Metal-free implant-supported single crowns (zirconia veneered with feldspathic ceramic) vs Metal-ceramic implant-supported single crowns

Aesthetics · Adults (18 years or older) with one missing tooth in the aesthetic zone needing an implant-supported single crown

It is very uncertain whether metal-free implant-supported single crowns (zirconia veneered with… changes aesthetic evaluation (pink and white aesthetic score, PES and WES… compared with metal-ceramic implant-supported single crowns (very low certainty).

1 finding from 1 review

Metal-free implant-supported single crowns (zirconia veneered with feldspathic ceramic) vs Metal-ceramic implant-supported single crowns

Implant crown failure · Adults (18 years or older) with one missing tooth in the aesthetic zone needing an implant-supported single crown
1 finding from 1 review

Metal-free implant-supported single crowns (zirconia veneered with feldspathic ceramic) vs Metal-ceramic implant-supported single crowns

Implant crown complications · Adults (18 years or older) with one missing tooth in the aesthetic zone needing an implant-supported single crown

It is very uncertain whether metal-free implant-supported single crowns (zirconia veneered with… changes implant crown complications compared with metal-ceramic implant-supported single crowns (very low certainty).

1 finding from 1 review

Ceramic inlays (all types) vs Composite resin inlay

Outcome not reported · Adults who require restorative treatment in posterior teeth

The review found no eligible studies for this question.

1 finding from 1 review
  • Ceramic inlays for restoring posterior teeth 2003 · Cochrane All outcomes
    One randomised controlled trial (Gladys 1995) compared ceramic and resin composite inlays over 3 years, but it was excluded because the study design (parallel-group or split-mouth) was not clearly described; no…
    0 studies
    No studies found

Ceramic inlays (all types) vs Amalgam

Outcome not reported · Adults who require restorative treatment in posterior teeth

The review found no eligible studies for this question.

1 finding from 1 review
  • Ceramic inlays for restoring posterior teeth 2003 · Cochrane All outcomes
    No eligible randomised controlled trial comparing ceramic inlays with amalgam restorations was identified; this planned comparison could not be evaluated.
    0 studies
    No studies found

Ceramic inlays (all types) vs Gold inlay

Aesthetic satisfaction (colour match) · Adults who require restorative treatment in posterior teeth

The review found no eligible studies for this question.

1 finding from 1 review
  • Ceramic inlays for restoring posterior teeth 2003 · Cochrane All outcomes
    Information on aesthetic satisfaction could not be obtained from this study as it did not use the tooth-coloured restorations as the control group.
    0 studies
    No studies found

Ceramic inlays (all types) vs Gold inlay

Postoperative sensitivity · Adults who require restorative treatment in posterior teeth
1 finding from 1 review
  • Ceramic inlays for restoring posterior teeth 2003 · Cochrane All outcomes
    1 week
    Postoperative sensitivity was evaluated 1 week after placement. No teeth with ceramic inlays were found to have postoperative sensitivity, while one tooth with gold inlay presented sensitivity, which lasted more than 2…
    1 study · 20 participants
    GRADE not reported

Ceramic inlays (all types) vs Gold inlay

Failure rate (longevity) at 5 years · Adults who require restorative treatment in posterior teeth

Ceramic inlays (all types) showed no clear difference in failure rate (longevity) at 5 years compared with gold inlay; GRADE not reported.

1 finding from 1 review

Ceramic inlays (all types) vs Composite resin (direct restoration)

Outcome not reported · Adults who require restorative treatment in posterior teeth

The review found no eligible studies for this question.

1 finding from 1 review
  • Ceramic inlays for restoring posterior teeth 2003 · Cochrane All outcomes
    No eligible randomised controlled trial comparing ceramic inlays with composite resin (direct) restorations was identified; this planned comparison could not be evaluated.
    0 studies
    No studies found

Ceramic implant abutment vs Metal implant abutments (titanium)

Overall success rate · Patients receiving implant-supported single crowns / short-span FDPs
1 finding from 1 review
  • Andersson 2003: 94% (16/17) ceramic vs 100% (12/12) titanium; Andersson 2001: 93% (28/30) ceramic vs 100% (35/35) titanium; no statistical analysis provided; no measurable / non-significant differences in alveolar bone…
    2 studies · 107 participants
    GRADE not reported

Single full-coverage metal-ceramic crown over composite core and post vs Direct adhesive composite restoration with post (conventional filling, no crown)

Cost of the intervention · People with a permanent tooth that has undergone endodontic (root canal) treatment

The review found no eligible studies for this question.

1 finding from 1 review

Single full-coverage metal-ceramic crown over composite core and post vs Direct adhesive composite restoration with post (conventional filling, no crown)

Patient satisfaction / quality of life (validated measure) · People with a permanent tooth that has undergone endodontic (root canal) treatment

The review found no eligible studies for this question.

1 finding from 1 review

Single full-coverage metal-ceramic crown over composite core and post vs Direct adhesive composite restoration with post (conventional filling, no crown)

Catastrophic failure of the restored tooth or restoration leading directly to extraction · People with a permanent tooth that has undergone endodontic (root canal) treatment
1 finding from 1 review

Single full-coverage metal-ceramic crown over composite core and post vs Direct adhesive composite restoration with post (conventional filling, no crown)

Periodontal health status · People with a permanent tooth that has undergone endodontic (root canal) treatment

The review found no eligible studies for this question.

1 finding from 1 review